$base:20px;
$color-primary:#333;
$color-secondary:#666;
$color-tertiary:#999;
$color-quaternary:#ccc;
$color-quinary:#eee;
$color-light:#f9f9f9;
$color-dark:#333;
$color-white:#fff;
$color-black:#000;
$color-success:#4caf50;